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dsp73
3 years ago
9

What is an electromagnetic wave?

Chemistry
1 answer:
goldenfox [79]3 years ago
5 0

Answer:

An electromagnetic wave is a wave that is created as a result of vibrations between an electric field and a magnetic field.

Explanation:

Hope this helps!!

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What happens when an atom becomes to gain a -1 charge it will
raketka [301]

when an atom gains or loses an electron, it becomes an ion. Ions formed by the loss of an electron have a positive charge, and those formed by gaining an electron have a negative charge. Positive ions are called cations, and negative ions are called anions.

7 0
3 years ago
Why are metals are used to make jewellery​
maw [93]

Answer:

They are highly lustrous metals which are resistant to corrosion. They are highly malleable and ductile so can be transformed into any shape or design.

Explanation:

8 0
3 years ago
Explain how to write the chemical formula for sodium (Na +) and the polyatomic ion carbonate (Co2).
Lorico [155]

Explanation:

sodium (Na +)

Carbonate ion (CO₃²⁻)

Ionic compounds are formed between ions (Anions and Cations).

For a neutral compound to be formed, the charges of the ions must cancel each other out.

Sodium ion has a charge of +1

Carbonate ion has  a charge of -2

The only way to make sure both ions have similar charges is to multiply each ion by the coefficient of the other.

Thus we have;

Sodium ion = +1 * 2 = +2

Carbonate ion = -2 * 1 = -2

From this, the chemical formular of the product formed between both ions must contain 2 sodium ions and one carbonate ion.

This is given by;

Na₂CO3

3 0
3 years ago
What Is This Item Called?
eduard
It looks like something to screw onto something and manage the flow of... I'd say... knob for a screw
4 0
4 years ago
What is the mass of 3.75 moles of NaCl
sasho [114]
M (NaCl) = n × M = 3.75 × 58.5 =
219.375 g

M (NaCl) = 23 + 35.5 = 58.5 g/mol
7 0
3 years ago
Read 2 more answers
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